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5 October, 19:13

A polygon has an interior angle sum of 9000. How many sides does it have

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  1. 5 October, 19:32
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    52

    Step-by-step explanation:

    The sum of the interior angles of a polygon is

    sum = 180° (n - 2) ← n is the number of sides

    Here the sum = 9000°, thus

    180° (n - 2) = 9000° (divide both sides by 180°)

    n - 2 = 50 (add 2 to both sides)

    n = 52
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